no longer identified by EKC Eastman Background-X Negative Film 5230, ISO 32 (discontinued) Eastman XT Panchromatic Negative Film 5220/7220, ISO 25 (discontinued), introduced in 1966 replacing Background-X Fine grain color negative films (1950–1968) Eastman Color Negative film 5247 16D introduced in 1950 (discontinued in 1952) Eastman Color Negative film 5248 25T introduced in 1952 (discontinued in 1959) Eastman Color Negative film 5250 50T introduced in 1959 (discontinued in 1962) Eastman Color Negative film 5251 50T introduced in 1962 (discontinued in 1968) Eastman Color Negative film 5254/7254 100T introduced in 1968 (discontinued March, 1977) Eastman Color Negative II (ECN-2 process 1974–1976) 5247 100T Process ECN-2 introduced in 1974 (discontinued in 1976) 5247/7247 100T introduced in 1976 (discontinued March, 1983) 5271/7271 (discontinued in 1980) Video News Film 16 mm (VNF-1)(1975–1977) Eastman Ektachrome Video News Film 7239 (VND) 160D, introduced in 1976. Replaced 7241. Eastman Ektachrome Video News Film 7240 125T, introduced in 1975. Eastman Ektachrome Video News Film 7240 125T, introduced in 1976 Replaced 7242. Eastman Ektachrome High-Speed Video News Film 7250 400T, introduced in 1977. Eastman Ektachrome High-Speed Daylight Film 7251 (VXD) 400D. Kodachrome color reversal film Kodachrome 16 mm introduced in 1935 Kodachrome 35 mm (135) & 8 mm introduced in 1936 (discontinued in 2009) 5262 (16 mm) introduced in 1938 (discontinued in 1946) 5265 (16 mm) introduced in 1940 (discontinued in 1950) 5267 (35 mm) introduced in 1942 5268 (16 mm) introduced in 1946 (discontinued in 1958) 5269 (16 mm) introduced in 1950 7267 25D (16 mm & 8 mm) (discontinued) 7270 40T (16 mm & 8 mm) (discontinued) 64T (discontinued) Ektachrome color reversal film (E1–E6 and related processes) 5239/7239 (reversal) 160D 5240/7240 (16 mm & 8 mm) (reversal) 125T 5285/7285 100T 5285/7285 100D (reversal) introduced in 1999 (discontinued in 2012) 7250 HS T 400T 7251 HS Day 400D introduced in 1981 7252 25T introduced in 1970 (discontinued in 1984) 7255 introduced in 1958 (discontinued in 1970) 7280 (8 mm) 64T (discontinued in 2010) Ektachrome (Type A) 160T (super 8 mm) introduced in 1971 Ektachrome SM 7244 (super 8 mm)(reversal) introduced in 1975 7294 100D (Super-8, 16mm) introduced in 2018, reformulated version of 5285/7285 100D Eastmancolor Negative (1982–1986) 5247 125T (discontinued in 1983) 7291 100T introduced in 1983 (discontinued in 1989) 7292 320T introduced in 1986 (discontinued in 1992) (First partial "T-Grain" stock) 5293/7293 250T introduced in 1982 (discontinued 1983) 5294/7294 400T (35 mm)/320T (16 mm) introduced in 1983